Hilili, J.M., Onuora, D.I., Yusuf, H.O., Hilili, R.U., Ojiego, O.B., Raji, F.R., Dantanko, F., Eke, C.L. and Hilili, M.H. 2021. Analysis of the Effects of Biological Activities on some Structures in Cross River State and the Federal Capital Territory, Abuja, Nigeria. Asian Journal of Environment & Ecology. 14, 2 (Mar. 2021), 51-59. DOI:https://doi.org/10.9734/ajee/2021/v14i230203.